The Artquest website has an excellent section called ArtLaw for artists and craftspeople.
Along with clearly explained sections on Copyright and Artists Resale Rights (to name just a couple), you can also send in a legal query to be answered for free by a panel of arts legal experts.
The InnovationRCA site for Intellectual Property Rights (IPR): copyright, patents, design registration.
Free advice at Creative London's Intellectual Property Advice Centre: Own-It
Briffa is an award winning firm of lawyers based in London specialising in the business and law concerning a wide variety of industry sectors and in particular, intellectual property.
UK Intellectual Property website
British Library Business and IP Centre
The Design and Artists Copyright Society (DACS)
Chartered Institute of Patent Agents (CIPA)
Institute of Trade Mark Attorneys (ITMA)
National Endowment for Science, Technology and the Arts (NESTA)
Anti-Copying in Design (ACID)
A hard-hitting action group committed to fighting copyright theft
The Henry Lydiate Partnership
This Creative Arts Business Consultancy are in the business of making your ideas into reality. Part of this, of course, involves Intellectual Property rights. Although their consultancy is pricey (£900) for graduates, you may need their services one day. Henry Lydiate has written the regular Artlaw column for Art Monthly since 1976 - and you can find all of them in the Artlaw Archive.